/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "src/gpu/ganesh/GrBufferTransferRenderTask.h"

#include "src/gpu/ganesh/GrGpu.h"
#include "src/gpu/ganesh/GrOpFlushState.h"
#include "src/gpu/ganesh/GrResourceAllocator.h"

sk_sp<GrRenderTask> GrBufferTransferRenderTask::Make(sk_sp<GrGpuBuffer> src, size_t srcOffset, sk_sp<GrGpuBuffer> dst,
    size_t dstOffset, size_t size)
{
    return sk_sp<GrRenderTask>(
        new GrBufferTransferRenderTask(std::move(src), srcOffset, std::move(dst), dstOffset, size));
}

GrBufferTransferRenderTask::GrBufferTransferRenderTask(sk_sp<GrGpuBuffer> src, size_t srcOffset, sk_sp<GrGpuBuffer> dst,
    size_t dstOffset, size_t size)
    : fSrc(std::move(src)), fDst(std::move(dst)), fSrcOffset(srcOffset), fDstOffset(dstOffset), fSize(size)
{
    this->setFlag(kBlocksReordering_Flag);
}

GrBufferTransferRenderTask::~GrBufferTransferRenderTask() = default;

bool GrBufferTransferRenderTask::onExecute(GrOpFlushState *flushState)
{
    return flushState->gpu()->transferFromBufferToBuffer(fSrc, fSrcOffset, fDst, fDstOffset, fSize);
}
